24×(56+512)35×12×5658×99+588586×87187×219×8758×13+23×58.-六年级数学

题目简介

24×(56+512)35×12×5658×99+588586×87187×219×8758×13+23×58.-六年级数学

题目详情

24×(
5
6
+
5
12
3
5
×12×
5
6
5
8
×99+
5
8
85
86
×87
1
87
×
2
19
×87
5
8
×
1
3
+
2
3
×
5
8
题型:解答题难度:中档来源:不详

答案

(1)24×(class="stub"5
6
+class="stub"5
12

=24×class="stub"5
6
+24×class="stub"5
12

=20+10
=30;

(2)class="stub"3
5
×12×class="stub"5
6

=class="stub"3
5
×class="stub"5
6
×12
=class="stub"1
2
×12
=6;

(3)class="stub"5
8
×99+class="stub"5
8

=class="stub"5
8
×(99+1)
=class="stub"5
8
×100
=62.5;

(4)class="stub"85
86
×87
=class="stub"85
86
×(86+1)
=class="stub"85
86
×86+class="stub"85
86
×1
=85class="stub"85
86


(5)class="stub"1
87
×class="stub"2
19
×87
=class="stub"1
87
×87×class="stub"2
19

=class="stub"2
19


(6)class="stub"5
8
×class="stub"1
3
+class="stub"5
8
×class="stub"2
3

=class="stub"5
8
×(class="stub"1
3
+class="stub"2
3

=class="stub"5
8
×1
=class="stub"5
8

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